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EC number: 442-730-6 | CAS number: 35132-93-5
Table2: Results of the Test Item Dispersogen SPS
CORROSITEX™ Time [min]
Mean ± SD
The mean time, required to activate the CDS was 41.07± 5.50 min.
Result of the Categorization test:
A direct change was observed in tube A and B and the category was read from the CORROSITEX colour chart. The chemical has been categorized to category 2 (materials with low acid/alkaline reserves).
The potential of the test substance to induce skin corrosion was analysed by using the “In VitroMembrane Barrier Test (CORROSITEX™ Assay)” according to OECD TG 425 and under GLP conditions.
The test substance proved its ability to activate the CDS (chemical detection system) and was subsequently subjected to the timescale category test. The test substance was applied undiluted atop the bio-barrier membrane and the time required to activate the CDS was measured in four replicates. The mean time was compared to the given thresholds. The test substance was compatible with the CORROSITEX™ Assay, as assessed in the qualification step. The categorization step and the classification step could be performed.
In this study under the given conditions the test substance showed corrosive effects (mean time to activate the CDS: 41.07 +- 5.5 min).
The controls confirmed the validity of the study. The positive control activated the CDS between 3 - 60 min. (25.83 min.), the negative control did not activate the CDS before 60 min.
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